Published July 2023 | 208 pages, 84 figures, 31 tables | Download table of contents
The effective transfer/removal of heat from a semiconductor device is crucial to ensure reliable operation and to enhance the lifetime of these components. The development of high-power and high-frequency electronic devices has greatly increased issues with excessive heat accumulation. There is therefore a significant requirement for effective thermal management materials to remove excess heat from electronic devices to ambient environment.
Thermal interface materials (TIMs) offer efficient heat dissipation to maintain proper functions and lifetime for these devices. TIMs are materials that are applied between the interfaces of two components (typically a heat generating device such as microprocessors, photonic integrated circuits, etc. and a heat dissipating device e.g. heat sink) to enhance the thermal coupling between these devices. A range of Carbon-based, metal/solder and filler-based TIMs are available both commercially and in the research and development (R&D) phase.
Report contents include:
- Analysis of recent commercial and R&D developments in thermal interface materials (TIMs).
- Market trends and drivers.
- Market map.
- Analysis of thermal interface materials (TIMs) including:
- Thermal Pads/Insulators.
- Thermally Conductive Adhesives.
- Thermal Compounds or Greases.
- Thermally Conductive Epoxy/Adhesives.
- Phase Change Materials.
- Metal-based TIMs.
- Carbon-based TIMs.
- Market analysis. Markets covered include:
- Consumer electronics.
- Electric Vehicles (EV) batteries.
- Data Center infrastructure.
- ADAS sensors.
- EMI shielding.
- 5G.
- Global market revenues for thermal interface materials (TIMs), segmented by type and market, historical and forecast to 2033.
- Profiles of 87 producers. Companies profiled include Arieca, Carbice Corporation, CondAlign, Fujipoly, Henkel, Indium Corporation, KULR Technology Group, Inc., Parker-Hannifin Corporation, Shin-Etsu Chemical Co., Ltd, and SHT Smart High-Tech AB.
1 INTRODUCTION 15
- 1.1 Thermal management-active and passive 15
- 1.2 What are thermal interface materials (TIMs)? 15
- 1.2.1 Types 17
- 1.2.2 Thermal conductivity 18
- 1.3 Comparative properties of TIMs 20
- 1.4 Advantages and disadvantages of TIMs, by type 20
- 1.5 Prices 23
2 MATERIALS 24
- 2.1 Thermal greases and pastes 25
- 2.2 Thermal gap pads 27
- 2.3 Thermal gap fillers 28
- 2.4 Thermal adhesives and potting compounds 29
- 2.5 Phase Change Materials 30
- 2.5.1 Properties of Phase Change Materials (PCMs) 31
- 2.5.2 Types 32
- 2.5.2.1 Organic/biobased phase change materials 34
- 2.5.2.1.1 Advantages and disadvantages 34
- 2.5.2.1.2 Paraffin wax 35
- 2.5.2.1.3 Non-Paraffins/Bio-based 35
- 2.5.2.2 Inorganic phase change materials 36
- 2.5.2.2.1 Salt hydrates 36
- 2.5.2.2.1.1 Advantages and disadvantages 37
- 2.5.2.2.2 Metal and metal alloy PCMs (High-temperature) 38
- 2.5.2.2.1 Salt hydrates 36
- 2.5.2.3 Eutectic mixtures 38
- 2.5.2.4 Encapsulation of PCMs 38
- 2.5.2.4.1 Macroencapsulation 39
- 2.5.2.4.2 Micro/nanoencapsulation 39
- 2.5.2.5 Nanomaterial phase change materials 40
- 2.5.2.1 Organic/biobased phase change materials 34
- 2.5.3 Thermal energy storage (TES) 40
- 2.5.3.1 Sensible heat storage 40
- 2.5.3.2 Latent heat storage 41
- 2.5.4 Application in TIMs 41
- 2.5.4.1 Thermal pads 43
- 2.5.4.2 Low Melting Alloys (LMAs) 43
- 2.6 Metal-based TIMs 44
- 2.6.1 Solders and low melting temperature alloy TIMs 44
- 2.6.2 Liquid metals 45
- 2.6.3 Solid liquid hybrid (SLH) metals 46
- 2.6.3.1 Hybrid liquid metal pastes 46
- 2.6.3.2 SLH created during chip assembly (m2TIMs) 48
- 2.7 Carbon-based TIMs 49
- 2.7.1 Multi-walled nanotubes (MWCNT) 49
- 2.7.1.1 Properties 49
- 2.7.1.2 Application as thermal interface materials 50
- 2.7.2 Single-walled carbon nanotubes (SWCNTs) 51
- 2.7.2.1 Properties 51
- 2.7.2.2 Application as thermal interface materials 54
- 2.7.3 Vertically aligned CNTs (VACNTs) 54
- 2.7.3.1 Properties 54
- 2.7.3.2 Applications 54
- 2.7.3.3 Application as thermal interface materials 55
- 2.7.4 BN nanotubes (BNNT) and nanosheets (BNNS) 56
- 2.7.4.1 Properties 56
- 2.7.4.2 Application as thermal interface materials 56
- 2.7.5 Graphene 58
- 2.7.5.1 Properties 59
- 2.7.5.2 Application as thermal interface materials 61
- 2.7.5.2.1 Graphene fillers 61
- 2.7.5.2.2 Graphene foam 61
- 2.7.5.2.3 Graphene aerogel 61
- 2.7.6 Nanodiamonds 62
- 2.7.6.1 Properties 62
- 2.7.6.2 Application as thermal interface materials 64
- 2.7.7 Graphite 64
- 2.7.7.1 Properties 64
- 2.7.7.2 Natural graphite 65
- 2.7.7.2.1 Classification 66
- 2.7.7.2.2 Processing 67
- 2.7.7.2.3 Flake 67
- 2.7.7.2.3.1 Grades 68
- 2.7.7.2.3.2 Applications 68
- 2.7.7.3 Synthetic graphite 70
- 2.7.7.3.1 Classification 70
- 2.7.7.3.1.1 Primary synthetic graphite 71
- 2.7.7.3.1.2 Secondary synthetic graphite 71
- 2.7.7.3.1.3 Processing 71
- 2.7.7.3.1 Classification 70
- 2.7.7.4 Applications as thermal interface materials 72
- 2.7.8 Hexagonal Boron Nitride 73
- 2.7.8.1 Properties 73
- 2.7.8.2 Application as thermal interface materials 75
- 2.7.1 Multi-walled nanotubes (MWCNT) 49
- 2.8 Metamaterials 75
- 2.8.1 Types and properties 76
- 2.8.1.1 Electromagnetic metamaterials 77
- 2.8.1.1.1 Double negative (DNG) metamaterials 77
- 2.8.1.1.2 Single negative metamaterials 77
- 2.8.1.1.3 Electromagnetic bandgap metamaterials (EBG) 77
- 2.8.1.1.4 Bi-isotropic and bianisotropic metamaterials 78
- 2.8.1.1.5 Chiral metamaterials 78
- 2.8.1.1.6 Electromagnetic “Invisibility” cloak 79
- 2.8.1.2 Terahertz metamaterials 79
- 2.8.1.3 Photonic metamaterials 79
- 2.8.1.4 Tunable metamaterials 80
- 2.8.1.5 Frequency selective surface (FSS) based metamaterials 80
- 2.8.1.6 Nonlinear metamaterials 80
- 2.8.1.7 Acoustic metamaterials 81
- 2.8.1.1 Electromagnetic metamaterials 77
- 2.8.2 Application as thermal interface materials 81
- 2.8.1 Types and properties 76
- 2.9 Self-healing thermal interface materials 82
- 2.9.1 Extrinsic self-healing 83
- 2.9.2 Capsule-based 83
- 2.9.3 Vascular self-healing 83
- 2.9.4 Intrinsic self-healing 84
- 2.9.5 Healing volume 85
- 2.9.6 Types of self-healing materials, polymers and coatings 86
- 2.9.7 Applications in thermal interface materials 87
3 MARKETS FOR THERMAL INTERFACE MATERIALS (TIMs) 88
- 3.1 Consumer electronics 88
- 3.1.1 Market overview 88
- 3.1.1.1 Market drivers 88
- 3.1.1.2 Applications 89
- 3.1.1.2.1 Smartphones and tablets 89
- 3.1.1.2.2 Wearable electronics 90
- 3.1.2 Global market revenues 2022, by TIM type, millions USD 92
- 3.1.1 Market overview 88
- 3.2 Electric Vehicles (EV) 93
- 3.2.1 Market overview 93
- 3.2.1.1 Market drivers 93
- 3.2.1.2 Applications 94
- 3.2.1.2.1 Lithium-ion batteries 94
- 3.2.1.2.1.1 Cell-to-pack designs 95
- 3.2.1.2.1.2 Cell-to-chassis/body 96
- 3.2.1.2.2 Power electronics 97
- 3.2.1.2.3 Charging stations 98
- 3.2.1.2.1 Lithium-ion batteries 94
- 3.2.2 Global market revenues 2022, by TIM type, millions USD 99
- 3.2.1 Market overview 93
- 3.3 Data Centers 100
- 3.3.1 Market overview 100
- 3.3.1.1 Market drivers 100
- 3.3.1.2 Applications 101
- 3.3.1.2.1 Router, switches and line cards 101
- 3.3.1.2.2 Servers 102
- 3.3.1.2.3 Power supply converters 103
- 3.3.2 Global market revenues 2022, by TIM type, millions USD 104
- 3.3.1 Market overview 100
- 3.4 ADAS Sensors 105
- 3.4.1 Market overview 105
- 3.4.1.1 Market drivers 105
- 3.4.1.2 Applications 105
- 3.4.1.2.1 ADAS Cameras 105
- 3.4.1.2.2 ADAS Radar 105
- 3.4.1.2.3 ADAS LiDAR 106
- 3.4.2 Global market revenues 2022, by TIM type, millions USD 107
- 3.4.1 Market overview 105
- 3.5 EMI shielding 108
- 3.5.1 Market overview 108
- 3.5.1.1 Market drivers 108
- 3.5.1.2 Applications 108
- 3.5.1 Market overview 108
- 3.6 5G 109
- 3.6.1 Market overview 109
- 3.6.1.1 Market drivers 109
- 3.6.1.2 Applications 109
- 3.6.1.2.1 Antenna 109
- 3.6.1.2.2 Base Band Unit (BBU) 111
- 3.6.2 Global market revenues 2022, by TIM type, millions USD 112
- 3.6.1 Market overview 109
4 GLOBAL REVENUES FOR TIMS 113
- 4.1 Global revenues for TIMs, 2022, by type 113
- 4.2 Global revenues for TIMs 2023-2033, by materials type 114
- 4.2.1 Telecommunications market by TIMS type 114
- 4.2.2 Electronics and data centers market by TIMS type 115
- 4.2.3 ADAS market by TIMS type 116
- 4.2.4 Electric vehicles (EVs) market by TIMS type 117
- 4.3 Global revenues for TIMs 2018-2033, by market 118
5 FUTURE MARKET PROSPECTS 120
6 COMPANY PROFILES 121 (87 company profiles)
7 RESEARCH METHODOLOGY 199
8 REFERENCES 201
List of Tables
- Table 1. Thermal conductivities (κ) of common metallic, carbon, and ceramic fillers employed in TIMs. 19
- Table 2. Commercial TIMs and their properties. 20
- Table 3. Advantages and disadvantages of TIMs, by type. 20
- Table 4. Thermal interface materials prices. 23
- Table 5. Characteristics of some typical TIMs. 24
- Table 6. Properties of PCMs. 31
- Table 7. PCM Types and properties. 33
- Table 8. Advantages and disadvantages of organic PCMs. 34
- Table 9. Advantages and disadvantages of organic PCM Fatty Acids. 36
- Table 10. Advantages and disadvantages of salt hydrates 37
- Table 11. Advantages and disadvantages of low melting point metals. 38
- Table 12. Advantages and disadvantages of eutectics. 38
- Table 13. Benefits and drawbacks of PCMs in TIMs. 41
- Table 14. Properties of CNTs and comparable materials. 49
- Table 15. Typical properties of SWCNT and MWCNT. 52
- Table 16. Comparison of carbon-based additives in terms of the main parameters influencing their value proposition as a conductive additive. 53
- Table 17. Thermal conductivity of CNT-based polymer composites. 56
- Table 18. Comparative properties of BNNTs and CNTs. 57
- Table 19. Properties of graphene, properties of competing materials, applications thereof. 59
- Table 20. Properties of nanodiamonds. 63
- Table 21. Comparison between Natural and Synthetic Graphite. 64
- Table 22. Classification of natural graphite with its characteristics. 66
- Table 23. Characteristics of synthetic graphite. 70
- Table 24. Properties of hexagonal boron nitride (h-BN). 74
- Table 25. Types of self-healing coatings and materials. 86
- Table 26. Comparative properties of self-healing materials. 87
- Table 27. Global revenues for TIMs, 2022, by type. 113
- Table 28. Global revenues for TIMs 2018-2033, by market (millions USD) 118
- Table 29. Carbodeon Ltd. Oy nanodiamond product list. 135
- Table 30. Ray-Techniques Ltd. nanodiamonds product list. 180
- Table 31. Comparison of ND produced by detonation and laser synthesis. 181
List of Figures
- Figure 1. (L-R) Surface of a commercial heatsink surface at progressively higher magnifications, showing tool marks that create a rough surface and a need for a thermal interface material. 16
- Figure 2. Schematic of thermal interface materials used in a flip chip package. 16
- Figure 3. Thermal grease. 17
- Figure 4. Dispensing a bead of silicone-based gap filler onto the heat sink of a power electronics module. 18
- Figure 5. Application of thermal silicone grease. 26
- Figure 6. A range of thermal grease products. 26
- Figure 7. Thermal Pad. 28
- Figure 8. Dispensing a bead of silicone-based gap filler onto the heat sink of a power electronics module. 28
- Figure 9. Thermal tapes. 29
- Figure 10. Thermal adhesive products. 30
- Figure 11. Phase-change TIM products. 31
- Figure 12. PCM mode of operation. 32
- Figure 13. Classification of PCMs. 33
- Figure 14. Phase-change materials in their original states. 33
- Figure 15. Thermal energy storage materials. 40
- Figure 16. Phase Change Material transient behaviour. 41
- Figure 17. PCM TIMs. 42
- Figure 18. Phase Change Material - die cut pads ready for assembly. 43
- Figure 19. Typical IC package construction identifying TIM1 and TIM2 45
- Figure 20. Liquid metal TIM product. 46
- Figure 21. Pre-mixed SLH. 47
- Figure 22. HLM paste and Liquid Metal Before and After Thermal Cycling. 47
- Figure 23. SLH with Solid Solder Preform. 48
- Figure 24. Automated process for SLH with solid solder preforms and liquid metal. 48
- Figure 25. Schematic diagram of a multi-walled carbon nanotube (MWCNT). 49
- Figure 26. Schematic of single-walled carbon nanotube. 51
- Figure 27. Types of single-walled carbon nanotubes. 53
- Figure 28. Schematic of a vertically aligned carbon nanotube (VACNT) membrane used for water treatment. 55
- Figure 29. Schematic of Boron Nitride nanotubes (BNNTs). Alternating B and N atoms are shown in blue and red. 56
- Figure 30. Graphene layer structure schematic. 58
- Figure 31. Illustrative procedure of the Scotch-tape based micromechanical cleavage of HOPG. 58
- Figure 32. Graphene and its descendants: top right: graphene; top left: graphite = stacked graphene; bottom right: nanotube=rolled graphene; bottom left: fullerene=wrapped graphene. 60
- Figure 33. Detonation Nanodiamond. 63
- Figure 34. DND primary particles and properties. 63
- Figure 35. Flake graphite. 68
- Figure 36. Applications of flake graphite. 69
- Figure 37. Graphite-based TIM products. 72
- Figure 38. Structure of hexagonal boron nitride. 73
- Figure 39. Classification of metamaterials based on functionalities. 76
- Figure 40. Electromagnetic metamaterial. 77
- Figure 41. Schematic of Electromagnetic Band Gap (EBG) structure. 78
- Figure 42. Schematic of chiral metamaterials. 79
- Figure 43. Nonlinear metamaterials- 400-nm thick nonlinear mirror that reflects frequency-doubled output using input light intensity as small as that of a laser pointer. 81
- Figure 44. Schematic of self-healing polymers. Capsule based (a), vascular (b), and intrinsic (c) schemes for self-healing materials. Red and blue colours indicate chemical species which react (purple) to heal damage. 82
- Figure 45. Stages of self-healing mechanism. 83
- Figure 46. Self-healing mechanism in vascular self-healing systems. 84
- Figure 47. Comparison of self-healing systems. 85
- Figure 48. Schematic of TIM operation in electronic devices. 89
- Figure 49. Schematic of Thermal Management Materials in smartphone. 90
- Figure 50. Wearable technology inventions. 91
- Figure 51. Global market revenues 2022 in electronics, by TIM type, million USD. 92
- Figure 52. Application of thermal interface materials in automobiles. 93
- Figure 53. EV battery components including TIMs. 95
- Figure 54. Battery pack with a cell-to-pack design and prismatic cells. 96
- Figure 55. Cell-to-chassis battery pack. 97
- Figure 56. TIMS in EV charging station. 98
- Figure 57. Global market revenues 2022 in electric vehicles, by TIM type, million USD. 99
- Figure 58. Image of data center layout. 101
- Figure 59. Application of TIMs in line card. 102
- Figure 60. Global market revenues 2022 in data centers, by TIM type, million USD. 104
- Figure 61. ADAS radar unit incorporating TIMs. 106
- Figure 62. Global market revenues 2022 in ADAS, by TIM type, million USD. 107
- Figure 63. Coolzorb 5G. 108
- Figure 64. TIMs in Base Band Unit (BBU). 111
- Figure 65. Global market revenues 2022 in telecommunications, by TIM type, million USD. 112
- Figure 66. Global revenues for TIMs, 2022, by type. 113
- Figure 67. Telecommunications market by TIMS type 2023-2023, millions USD. 114
- Figure 68. Electronics and data centers market by TIMS type 2023-2023, millions USD. 115
- Figure 69. ADAS market by TIMS type 2023-2023, millions USD. 116
- Figure 70. Electric vehicles (EVs) market by TIMS type 2023-2023, millions USD. 117
- Figure 71. Global revenues for TIMs 2018-2033, by market. 119
- Figure 72. Boron Nitride Nanotubes products. 129
- Figure 73. Transtherm® PCMs. 130
- Figure 74. Carbice carbon nanotubes. 132
- Figure 75. Internal structure of carbon nanotube adhesive sheet. 148
- Figure 76. Carbon nanotube adhesive sheet. 148
- Figure 77. HI-FLOW Phase Change Materials. 156
- Figure 78. Thermoelectric foil, consists of a sequence of semiconductor elements connected with conductive metal. At the top (in red) is the thermal interface. 167
- Figure 79. Parker Chomerics THERM-A-GAP GEL. 176
- Figure 80. Metamaterial structure used to control thermal emission. 177
- Figure 81. Shinko Carbon Nanotube TIM product. 187
- Figure 82. The Sixth Element graphene products. 192
- Figure 83. Thermal conductive graphene film. 193
- Figure 84. VB Series of TIMS from Zeon. 197
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